Some insect pests of cotton.
Series of educational illustrations ; 8.3.
United States. Department of Agriculture.
United States. Extension Service.
United States. Bureau of Entomology and Plant Quarantine.
Washington D.C. :United States Department of Agriculture,1939.
"Prepared by Extension Service, in cooperation with the Bureau of Entomology and Plant Quarantine, United States Department of Agriculture, Washington, D.C."
"Group no. 8 (Cotton No. 8.3)."
Diseases and pests
NAL: 1.8 Ex892E no. 8.3
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